Question

Cat fac :
$2 \times {3}^{2017} + 5 \times {3}^ {2016} - 6 \times {3}^{2017} =$
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Answer 1

2 × 3^2017 + 5 × 3^2016 - 6 × 3^2017 =

3^2016 × ( 2 × 3 + 5 - 6 × 3) =

3^2016 × (6 + 5 - 18) =

3^2016 × (- 7)